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Author SHA1 Message Date
Chris Lattner
5fbf29ce53 Fix bugpoint miscompilation support on OS/X 
Patch contributed by the fabulous Nate Begeman.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14994 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 06:00:17 +00:00
Chris Lattner
8ea13c6233 Two changes, both very significant: 
* vreg <-> vreg joining now works, enable it unconditionally when joining
  is enabled (which is the default).
* Fix a serious pessimization of spill code where we were saying that a
  spilled DEF operand was live into the subsequent instruction.  This allows
  for substantially better code when spilling starts to happen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14993 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 05:55:50 +00:00
Chris Lattner
57eb15e316 See comments. The live intervals were not coming out of the spiller in sorted 
order, causing the inactive list in the linearscan list to get unsorted, which
basically fuxored everything up severely.

These seems to fix the joiner, so with more testing I will enable it by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14992 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 05:15:10 +00:00
Chris Lattner
331cb7dde1 Fix assertion to not dereference end! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14991 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 05:02:09 +00:00
Chris Lattner
59073e02cc Add some asserts that the list of intervals returned by addIntervalsForSpills 
is sorted.  This is not the case currently, which is causing no end of
problems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14990 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 04:47:36 +00:00
Chris Lattner
6097d13b2a remove the mbbi2mbbMap_, which was just keeping track of mbb order anyway. 
Heavily refactor handleVirtualRegisterDef, adding comments and making it more
efficient.  It is also much easier to follow and convince ones self that it is
correct :)

Add -debug output to the joine, showing the result of joining the intervals.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14989 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 02:15:56 +00:00
Chris Lattner
6b92906010 fill comment to 80 cols 
remove map that is not needed


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14988 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 02:13:59 +00:00
Chris Lattner
ab4c19ec3e classof implementations are now inlined 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14987 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 00:59:10 +00:00
Chris Lattner
52eb13c58e inline classof implementations, eliminate use of virtual methods. 
classof<ConstantXXX> is now MUCH faster than it used to be.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14986 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 00:58:47 +00:00
Chris Lattner
9344063f5f eliminate isConstantExpr, changes to isa<Constant> implementation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14985 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 00:58:02 +00:00
Chris Lattner
66a434692b Add new enum entries for ConstantAggregateZeroVal/ConstantExprVal and 
rename ConstantVal to SimpleConstantVal


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14984 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 00:57:40 +00:00
Chris Lattner
f8083b7f20 Method now returns null, dtor is inlined 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14983 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 00:55:35 +00:00
Chris Lattner
f962ac798a Change method to return void. Inline dtor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14982 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 00:55:19 +00:00
Chris Lattner
e30ab88209 Remove dead file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14981 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 23:44:15 +00:00
Chris Lattner
269c80c6ba Remove this printer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14980 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 23:43:34 +00:00
Reid Spencer
12e7b11a63 A description of what this library is about, reference to the documentation 
and a list of don'ts for the library. All so future maintainers don't
break the important contract this library has with its user: LLVM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14979 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 22:33:08 +00:00
Chris Lattner
95e9258ba2 Add note about GCC 3.3.2 being completely broken 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14978 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 22:32:22 +00:00
Reid Spencer
98b5a34c81 Initiali Makefile for this library. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14977 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 22:31:28 +00:00
Chris Lattner
f98cfc716d Add a workaround for a GCC 3.3.2 bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14976 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 21:56:20 +00:00
Chris Lattner
f70c25f796 Doesn't exist 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14975 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 21:44:13 +00:00
Chris Lattner
8919cccc3d Fix a performance regression from the CPR patch, simplify code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14974 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 21:34:16 +00:00
Chris Lattner
96940cb522 Strip out and simplify some code. This also fixes the regression last 
night compiling cfrac.  It did not realize that code like this:

int G; int *H = &G;

takes the address of G.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14973 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 19:56:20 +00:00
Chris Lattner
9db07b9307 Minor cleanup, no functionality change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14972 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 18:59:44 +00:00
Chris Lattner
a51e4f6301 Fix infinite loop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14971 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 18:45:01 +00:00
Reid Spencer
8b2da7a921 bug 122: 
Updated to remove references to ConstantPointerRef and reflect the change
in the inheritance hierarchy: GlobalValue now derives from Constant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14969 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 13:10:31 +00:00
Reid Spencer
e95ff9afa0 Remove an if statement that would never be reached. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14968 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 08:41:47 +00:00
Reid Spencer
c88920df66 Delete a redundant if branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14967 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 08:34:52 +00:00
Reid Spencer
c3c2fdf5a8 Expand the coercion of constants to include the newly constant Globals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14966 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 08:34:19 +00:00
Reid Spencer
5f0eb64079 Delete a no-op loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14965 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 08:32:43 +00:00
Reid Spencer
c3c92d834a Expand the scope to include global values because they are now constants 
too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14964 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 08:32:10 +00:00
Reid Spencer
3188cab989 Avoid an unnecessary isa<Constant>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14963 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 08:31:18 +00:00
Chris Lattner
da6cdfa9e8 Fix infinite loop gccld'ing povray 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14962 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 08:12:57 +00:00
Chris Lattner
67910e1eb0 CPR Fixes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14961 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 07:29:35 +00:00
Chris Lattner
7330248482 CPR fixes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14960 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 07:26:17 +00:00
Reid Spencer
bff3984e25 Bug 122 fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14959 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 07:25:14 +00:00
Chris Lattner
25c6d68029 Remove useless statistic, fix some slightly broken logic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14958 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 07:22:58 +00:00
Chris Lattner
5827aebe64 Fix a rather serious bug in previous checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14957 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 06:56:58 +00:00
Reid Spencer
acc928042d Shrink some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14956 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 01:04:19 +00:00
Reid Spencer
b0104d07ee Add a missing space to align comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14955 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:56:58 +00:00
Reid Spencer
8cf4c8cd05 Fix typeos in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14954 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:55:49 +00:00
Reid Spencer
518310cb0d bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14953 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:44:37 +00:00
Reid Spencer
593eb95228 bug 122: 
- Minimize redundant isa<GlobalValue> usage


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14952 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:44:14 +00:00
Reid Spencer
40cf2f954e bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage
- Correct isa<Constant> for GlobalValue subclass


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14951 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:41:27 +00:00
Reid Spencer
8863f1814b bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage
- Minimize redundant isa<GlobalValue> usage
- Correct isa<Constant> for GlobalValue subclass


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14950 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:38:32 +00:00
Reid Spencer
2786542aad bug 122: 
- Correct isa<Constant> for GlobalValue subclass


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14949 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:37:35 +00:00
Reid Spencer
460f16c625 bug 122: 
- Minimize redundant isa<GlobalValue> usage


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14948 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:32:14 +00:00
Reid Spencer
21cb67e16a bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage
- Correct isa<Constant> for GlobalValue subclass


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14947 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:31:05 +00:00
Reid Spencer
48dc46a512 bug 122: 
- Minimize redundant isa<GlobalValue> usage
- Correct isa<Constant> for GlobalValue subclass


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14946 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:29:57 +00:00
Reid Spencer
0c4a0418d3 bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage
- Rename methods to get ride of ConstantPointerRef usage


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14945 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:25:04 +00:00
Reid Spencer
3178158918 bug 122: 
- Excise dead CPR procesing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14944 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:23:51 +00:00